B cell-derived transforming growth factor-beta 1 expression limits the induction phase of autoimmune neuroinflammation
2016 | journal article. A publication with affiliation to the University of Göttingen.
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B cell-derived transforming growth factor-beta 1 expression limits the induction phase of autoimmune neuroinflammation
Bjarnadottir, K.; Benkhoucha, M.; Merkler, D.; Weber, M. S.; Payne, N. L.; Bernard, C. C. A. & Molnarfi, N. et al. (2016)
Scientific Reports, 6 art. 34594. DOI: https://doi.org/10.1038/srep34594
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Details
- Authors
- Bjarnadottir, Kristbjorg; Benkhoucha, Mahdia; Merkler, Doron; Weber, Martin S.; Payne, Natalie L.; Bernard, Claude C. A.; Molnarfi, Nicolas; Lalive, Patrice H.
- Abstract
- Studies in experimental autoimmune encephalomyelitis (EAE), a murine model of multiple sclerosis (MS), have shown that regulatory B cells modulate the course of the disease via the production of suppressive cytokines. While data indicate a role for transforming growth factor (TGF)-beta 1 expression in regulatory B cell functions, this mechanism has not yet been tested in autoimmune neuroinflammation. Transgenic mice deficient for TGF-beta 1 expression in B cells (B-TGF-beta 1(-/-)) were tested in EAE induced by recombinant mouse myelin oligodendrocyte glycoprotein (rmMOG). In this model, B-TGF-beta 1(-/-) mice showed an earlier onset of neurologic impairment compared to their littermate controls. Exacerbated EAE susceptibility in B-TGF-beta 1(-/-) mice was associated with augmented CNS T helper (Th) 1/17 responses. Moreover, selective B cell TGF-beta 1-deficiency increased the frequencies and activation of myeloid dendritic cells, potent professional antigen-presenting cells (APCs), suggesting that B cell-derived TGF-beta 1 can constrain Th1/17 responses through inhibition of APC activity. Collectively our data suggest that B cells can down-regulate the function of APCs, and in turn encephalitogenic Th1/17 responses, via TGF-beta 1, findings that may be relevant to B cell-targeted therapies.
- Issue Date
- 2016
- Status
- published
- Publisher
- Nature Publishing Group
- Journal
- Scientific Reports
- ISSN
- 2045-2322